1、问题背景
设置去程和回程的路线图，并用不同的颜色设置路线
2、实现源码
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>高德地图-绘制去程和回程路线</title>
<link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/>
<script type="text/javascript" src="http://webapi.amap.com/maps?v=1.3&key=323b2a75430429a747a32b5c318f7f5a&plugin=AMap.Driving"></script>
<script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script>
<style type="text/css">
#panel {
position: fixed;
background-color: white;
max-height: 90%;
overflow-y: auto;
top: 10px;
right: 10px;
280px;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="panel" style="display:none;"></div>
<script type="text/javascript">
//初始化地图
var map = new AMap.Map("container", {
resizeEnable: true,
center: [114.295482,30.582582],
zoom: 13
});
//初始化导航类
var driving = new AMap.Driving({
map: map,
panel: "panel"
});
// 起点到终点
driving.search(new AMap.LngLat(114.295482,30.582582), new AMap.LngLat(114.26836,30.643449));
var lineArr = [
[114.295482,30.582582],
[114.26836,30.643449]
];
var lineArr1 = [
[114.26836,30.643449],
[114.295482,30.582582]
];
var polyline = new AMap.Polyline({
path: lineArr, // 设置线覆盖物路径
strokeColor: '#3366FF', // 线颜色
strokeOpacity: 1, // 线透明度
strokeWeight: 2, // 线宽
strokeStyle: 'solid', // 线样式
strokeDasharray: [10, 5], // 补充线样式
geodesic: true // 绘制大地线
});
polyline.setMap(map);
//初始化导航类
var driving1 = new AMap.Driving({
map: map,
panel: "panel"
});
//终点到起点
driving1.search(new AMap.LngLat(114.26836,30.643449), new AMap.LngLat(114.295482,30.582582));
var polyline1 = new AMap.Polyline({
path: lineArr, // 设置线覆盖物路径
strokeColor: '#00FF00', // 线颜色
strokeOpacity: 1, // 线透明度
strokeWeight: 2, // 线宽
strokeStyle: 'solid', // 线样式
strokeDasharray: [10, 5], // 补充线样式
geodesic: true // 绘制大地线
});
polyline1.setMap(map);
</script>
</body>
</html>
3、实现结果
